On Mon, Oct 18, 2010 at 01:46, Ryan Wagoner <rswagoner at gmail.com> wrote: > You will want to check your DNS and try to telnet to the server. If > your server is behind NAT or you run split-dns it would be advisable > to try it from another connection. > > dig mx yourdomain.com > telnet smtp.yourdomain.com 25 > > Of course if your mx record points to something other than > smtp.yourdomain.com you will want to use that instead. > Thanks, Ryan. The MX record looks fine, but telnet won't connect: ✈dcl:~$ dig mx sharingcenter.eu ; <<>> DiG 9.7.1-P2 <<>> mx sharingcenter.eu ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 22263 ;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 2, ADDITIONAL: 1 ;; QUESTION SECTION: ;sharingcenter.eu. IN MX ;; ANSWER SECTION: sharingcenter.eu. 86400 IN MX 10 mail.sharingcenter.eu. ;; AUTHORITY SECTION: sharingcenter.eu. 86400 IN NS ns2.sharingcenter.eu. sharingcenter.eu. 86400 IN NS ns1.sharingcenter.eu. ;; ADDITIONAL SECTION: mail.sharingcenter.eu. 86400 IN A 178.63.65.136 ;; Query time: 88 msec ;; SERVER: 212.150.49.10#53(212.150.49.10) ;; WHEN: Mon Oct 18 21:52:25 2010 ;; MSG SIZE rcvd: 107 ✈dcl:~$ telnet sharingcenter.eu 25 Trying 178.63.65.188... ^C ✈dcl:~$ telnet mail.sharingcenter.eu 25 Trying 178.63.65.136... telnet: Unable to connect to remote host: No route to host ✈dcl:~$ On the server, it looks like everything is running as it should: [root at mercury ~]# service postfix status master (pid 31800) is running... [root at mercury ~]# service dovecot status dovecot (pid 29751) is running... [root at mercury ~]# netstat -anp --tcp --udp | grep LISTEN | grep 25 tcp 0 0 127.0.0.1:25 0.0.0.0:* LISTEN 31800/master [root at mercury ~]# What could I be missing? The logs are clean. -- Dotan Cohen http://gibberish.co.il http://what-is-what.com